APA (7th ed.) Citation

World Book, Inc. (1990). Christmas in the Philippines: Christmas around the world from World Book. World Book.

Chicago Style (17th ed.) Citation

World Book, Inc. Christmas in the Philippines: Christmas Around the World from World Book. Chicago: World Book, 1990.

MLA (8th ed.) Citation

World Book, Inc. Christmas in the Philippines: Christmas Around the World from World Book. World Book, 1990.

Warning: These citations may not always be 100% accurate.